Introduction
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Heat Sink



Heat Sink

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ARX specializes in manufacturing a wide array of heat sinks using various modern technology. Ranging from the cost-effective aluminum extrusion solution to advanced folded/bonded fins for customized designs, ARX is equipped with virtually every capacity required for the majority of cooling applications.

ARX manufactures all our own tooling in-house. The new aluminum products and processes are developed at our newest and largest manufacturing plant in Su Zhou, China, where houses our high-volume aluminum machining/fabrication work cells and secondary operation in its 60000 square meter facility. This start-to-finish capability gives us total control to deliver consistent quality goods.

Typical secondary operations performed in ARX are:

  • Chamfering
  • Punching
  • Counter-boring
  • Reaming
  • Cutting (Sawing)
  • Sanding
  • Deburring (Automated)
  • Slotting
  • Drilling (CNC)
  • Machining (EDM)
  • Epoxy Bonding
  • Stamping (High Speed)
  • Epoxy Isolation
  • Tapping
  • Fly Cutting
  • Tumbling
  • Milling (CNC)


Finishing options include:

  • Anodizing
  • Painting
  • Caustic Etching
  • Silk Screening
  • Chromating
  • Washing
  • Irriditing
  • Degreasing


The ARX Advantage:

  • Flexibility in design and manufacturing
  • High quality at competitive costs 
  • Over 2,000 existing tools 
  • High output and finish inside our own facility
  • Short and reliable lead time for customized models


Typical heat sink products available are (unit mm) :

Length Width Height Fin/Shape Options
10 to 20 10 to 20 5 to 16 Flat back (w/ gap)
21 to 30 12 to 30 5 to 16 Hollow and Enclosure
31 to 40 31 to 40 5 to 30 Double-sided
41 to 60 20 to 60 5 to 60 Angulated
60 and above 16 and above 5 and above Miscellaneous





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